Williams said he believes the mutation was caused by two rare occurrences, the first being a developmental anomaly where the egg cell had two nuclei instead of one. That would mean it had two sets of ...

MATTAWAN, MI — The Michigan Department of Natural Resources is attempting to figure out how an invasive crayfish entered a pond at one of its fish hatcheries. On Thursday, July 24, the DNR said it ...

CLEVELAND, Ohio - A Cuyahoga Community College biology class on a field trip to the Chagrin River made a startling discovery: a crayfish with a rare genetic mutation, splitting its body into two ...

Red swamp crayfish – a species that is native to the southern United States but prohibited in Michigan – was found in a state hatchery pond in Van Buren County, Michigan. The Michigan Department of ...